Home / 779,233.20-1,168,849.80-405,207.60

Finding the Fourth Proportional to 779,233.20, 1,168,849.80 and 405,207.60

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Solution

The fourth proportional to 779,233.20, 1,168,849.80 and 405,207.60 is: 607,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,233.20 : 1,168,849.80 = 405,207.60 : x
  2. Step 2: Convert to fraction form
    779,233.20/1,168,849.80 = 405,207.60/x
  3. Step 3: Cross multiply
    779,233.20x = 1,168,849.80 × 405,207.60
  4. Step 4: Simplify right side
    779,233.20x = 473,626,822,218.48
  5. Step 5: Solve for x
    x = 473,626,822,218.48/779,233.20
  6. Step 6: Final answer
    x = 607,811.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.